Extension shower arm



FIG. 1 is a front perspective view of an extension shower arm, showingmy new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 shows the invention in a state of use;

FIG. 4 is a front view of FIG. 1 ;

FIG. 5 is a rear view of FIG. 1 ;

FIG. 6 is a left side view of FIG. 1 ;

FIG. 7 is a right side view of FIG. 1 ;

FIG. 8 is a top view of FIG. 1 ; and,

FIG. 9 is a bottom view of FIG. 1 .

The broken lines in the drawings show environmental portions of theextension shower arm and form no part of the claimed design.

CLAIM The ornamental design for an extension shower arm, as shown anddescribed.